Base | Representation |
---|---|
bin | 100000111100011110… |
… | …0010100101011010101 |
3 | 20202121120220000122111 |
4 | 1001320330110223111 |
5 | 2124343112242424 |
6 | 52300151031021 |
7 | 5053133542426 |
oct | 1017074245325 |
9 | 222546800574 |
10 | 70748555989 |
11 | 28005796291 |
12 | 1186566b471 |
13 | 6896557aa7 |
14 | 35d21cd64d |
15 | 1c911c5194 |
hex | 1078f14ad5 |
70748555989 has 8 divisors (see below), whose sum is σ = 71408319840. Its totient is φ = 70088986800.
The previous prime is 70748555981. The next prime is 70748556031. The reversal of 70748555989 is 98955584707.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70748555989 - 23 = 70748555981 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70748555981) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740994 + ... + 831004.
It is an arithmetic number, because the mean of its divisors is an integer number (8926039980).
Almost surely, 270748555989 is an apocalyptic number.
It is an amenable number.
70748555989 is a deficient number, since it is larger than the sum of its proper divisors (659763851).
70748555989 is a wasteful number, since it uses less digits than its factorization.
70748555989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97331.
The product of its (nonzero) digits is 127008000, while the sum is 67.
The spelling of 70748555989 in words is "seventy billion, seven hundred forty-eight million, five hundred fifty-five thousand, nine hundred eighty-nine".
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